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Date: Thu, 03 Apr 2008 16:17:14 +0400
From: "Andrey V. Elsukov" <bu7cher@yandex.ru>
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To: Barney Cordoba <barney_cordoba@yahoo.com>
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Cc: current@freebsd.org
Subject: Re: Freebsd 7.0 DVD/CD-ROM lockups on ICH9R
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Barney Cordoba wrote:
> Apr  1 18:01:36 freebsd7 kernel: atapci0: <ITE ATA controller> port
> 0x5420-0x5427,0x5414-0x5417,0x5418-0x541f,0x5410-0x5413,0x5400-0x540f
> irq 23 at device 4.0 on pci17
> Apr  1 18:01:36 freebsd7 kernel: atapci0: [ITHREAD]
> Apr  1 18:01:36 freebsd7 kernel: ata2: <ATA channel 0> on atapci0
> Apr  1 18:01:36 freebsd7 kernel: ata2: [ITHREAD]
> Apr  1 18:01:36 freebsd7 kernel: ata3: <ATA channel 1> on atapci0
> Apr  1 18:01:36 freebsd7 kernel: ata3: [ITHREAD]
...
> Apr  1 18:01:36 freebsd7 kernel: atapci1: <Intel AHCI controller> port
> 0x1c30-0x1c37,0x1c24-0x1c27,0x1c28-0x1c2f,0x1c20-0x1c23,0x18e0-0x18ff
> mem 0xd8701000-0xd87017ff irq 17 at device
> 31.2 on pci0
> Apr  1 18:01:36 freebsd7 kernel: atapci1: [ITHREAD]
> Apr  1 18:01:36 freebsd7 kernel: atapci1: AHCI Version 01.20 controller with 4 ports detected
....
> Apr  1 18:01:36 freebsd7 kernel: acd0: DVDROM <DVD-ROM UJDA780/1.50> at ata2-slave UDMA33

So, As I see, there is acd0 on ata2 channel, which is on ITE
controller, not on ICH9.

> When trying to mount a CDROM on the DVDROM the system
> just locks up. No messages at all.
> 
> Are there known problems or any good way to debug
> this?

Your ITE controller doesn't known by driver and it uses a generic
support. Can you show `pciconf -l` output?

-- 
WBR, Andrey V. Elsukov